🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 13.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.64 AU - 1.04 AU

Year: 505 Days

Day: 14.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,201,245 km

• M1: 172,935 km (0.106 R)
• M2: 658,380 km (0.069 R)
• M3: 1,336,807 km (0.077 R)
• M4: 1,927,120 km (0.036 R)
• M5: 2,708,170 km (0.103 R)
• M6: 3,599,175 km (0.107 R)
• M7: 4,392,642 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 9.5

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.89 AU - 1.01 AU

Year: 607 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,201,245 km

• M1: 118,182 km (0.111 R)
• M2: 414,237 km (0.114 R)
• M3: 780,003 km (0.095 R)
• M4: 1,091,017 km (0.119 R)
• M5: 1,450,351 km (0.111 R)
• M6: 1,819,708 km (0.101 R)
• M7: 3,058,379 km (0.112 R)
• M8: 3,508,369 km (0.07 R)
• M9: 3,928,739 km (0.079 R)
• M10: 4,335,645 km (0.083 R)
• M11: 4,787,132 km (0.083 R)
• M12: 5,093,807 km (0.092 R)
• M13: 6,681,938 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 14

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.3 AU - 1.38 AU

Year: 1018 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,201,245 km

• M1: 174,132 km (0.101 R)
• M2: 1,139,337 km (0.116 R)
• M3: 1,661,733 km (0.095 R)
• M4: 2,738,539 km (0.112 R)
• M5: 3,479,347 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 9.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.08 AU - 2.64 AU

Year: 2378 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,201,245 km

• M1: 120,576 km (0.111 R)
• M2: 469,289 km (0.062 R)
• M3: 776,413 km (0.115 R)
• M4: 1,129,165 km (0.06 R)
• M5: 1,788,293 km (0.106 R)
• M6: 2,136,407 km (0.12 R)
• M7: 3,081,417 km (0.074 R)
• M8: 4,425,105 km (0.08 R)
• M9: 5,273,624 km (0.077 R)
• M10: 5,651,808 km (0.093 R)
• M11: 6,676,852 km (0.087 R)
• M12: 7,063,413 km (0.094 R)
• M13: 7,406,740 km (0.059 R)
• M14: 9,158,681 km (0.113 R)
• M15: 9,706,209 km (0.08 R)
• M16: 10,095,313 km (0.115 R)
• M17: 11,018,332 km (0.096 R)
• M18: 12,444,897 km (0.104 R)
• M19: 13,074,405 km (0.04 R)
• M20: 13,768,988 km (0.11 R)
• M21: 14,903,239 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 9.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.68 AU - 5.78 AU

Year: 6748 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,201,245 km

• M1: 115,639 km (0.064 R)
• M2: 405,859 km (0.028 R)
• M3: 848,070 km (0.052 R)
• M4: 1,144,573 km (0.119 R)
• M5: 1,731,446 km (0.119 R)
• M6: 2,632,474 km (0.083 R)
• M7: 3,054,340 km (0.084 R)
• M8: 3,346,056 km (0.052 R)
• M9: 3,961,651 km (0.108 R)
• M10: 4,438,718 km (0.099 R)
• M11: 4,732,080 km (0.056 R)
• M12: 5,660,634 km (0.113 R)
• M13: 7,496,050 km (0.102 R)
• M14: 8,108,653 km (0.089 R)
• M15: 8,837,195 km (0.068 R)
• M16: 9,433,642 km (0.047 R)
• M17: 11,483,881 km (0.053 R)
• M18: 16,192,025 km (0.108 R)
• M19: 17,020,199 km (0.093 R)
• M20: 17,346,023 km (0.109 R)
• M21: 18,145,324 km (0.114 R)
• M22: 19,178,597 km (0.115 R)
• M23: 21,589,217 km (0.097 R)
• M24: 22,280,209 km (0.078 R)
• M25: 23,065,299 km (0.104 R)
• M26: 23,949,871 km (0.085 R)
• M27: 27,269,149 km (0.081 R)
• M28: 29,551,115 km (0.094 R)
• M29: 34,283,942 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736

Radius: 4.2

Gravity: 41.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.13 AU - 8.65 AU

Year: 14539 Days

Day: 21.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,201,245 km

• M1: 52,359 km (0.108 R)
• M2: 240,254 km (0.077 R)
• M3: 425,456 km (0.119 R)
• M4: 731,683 km (0.088 R)
• M5: 1,024,147 km (0.069 R)
• M6: 2,821,416 km (0.088 R)
• M7: 3,013,948 km (0.065 R)
• M8: 4,203,401 km (0.092 R)
• M9: 4,716,372 km (0.085 R)
• M10: 5,451,496 km (0.083 R)
• M11: 5,599,747 km (0.077 R)
• M12: 6,381,845 km (0.101 R)
• M13: 6,546,552 km (0.089 R)
• M14: 6,756,588 km (0.069 R)
• M15: 7,687,685 km (0.116 R)
• M16: 8,353,994 km (0.077 R)
• M17: 10,756,237 km (0.063 R)
• M18: 11,107,791 km (0.102 R)
• M19: 15,569,698 km (0.079 R)
• M20: 17,181,764 km (0.071 R)
• M21: 22,394,053 km (0.117 R)
• M22: 23,549,398 km (0.118 R)
• M23: 25,666,058 km (0.075 R)
• M24: 26,610,619 km (0.077 R)
• M25: 29,812,163 km (0.07 R)
• M26: 32,284,417 km (0.12 R)
• M27: 32,526,766 km (0.043 R)
• M28: 35,017,271 km (0.117 R)
• M29: 35,273,084 km (0.103 R)
• M30: 35,918,150 km (0.099 R)
• M31: 41,937,519 km (0.088 R)
• M32: 42,661,274 km (0.08 R)
• M33: 47,180,027 km (0.084 R)
• M34: 50,526,082 km (0.059 R)
• M35: 51,345,430 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.7

Radius: 7.3

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.55 AU - 8.77 AU

Year: 16718 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,201,245 km

• M1: 90,806 km (0.087 R)
• M2: 402,568 km (0.117 R)
• M3: 775,665 km (0.105 R)
• M4: 1,294,321 km (0.113 R)
• M5: 2,250,251 km (0.117 R)
• M6: 2,679,447 km (0.07 R)
• M7: 2,977,895 km (0.117 R)
• M8: 3,612,340 km (0.083 R)
• M9: 4,536,406 km (0.1 R)
• M10: 5,035,315 km (0.094 R)
• M11: 5,452,394 km (0.054 R)
• M12: 7,026,313 km (0.077 R)
• M13: 7,792,703 km (0.055 R)
• M14: 8,247,630 km (0.083 R)
• M15: 11,942,697 km (0.068 R)
• M16: 13,891,209 km (0.111 R)
• M17: 14,185,917 km (0.099 R)
• M18: 14,635,758 km (0.093 R)
• M19: 15,643,001 km (0.049 R)
• M20: 17,028,726 km (0.076 R)
• M21: 19,212,705 km (0.111 R)
• M22: 23,084,597 km (0.082 R)
• M23: 24,769,069 km (0.093 R)
• M24: 26,421,078 km (0.064 R)
• M25: 30,558,955 km (0.088 R)
• M26: 39,499,373 km (0.117 R)
• M27: 46,175,328 km (0.062 R)
• M28: 47,661,882 km (0.077 R)
• M29: 54,290,713 km (0.09 R)
• M30: 57,824,364 km (0.1 R)
• M31: 59,938,780 km (0.054 R)
• M32: 62,104,060 km (0.036 R)
• M33: 70,634,430 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 12,341 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit